| Guymon to Popovo | 6,006.59 mi (9,666.67 km) |
| Guymon to Provadia | 6,053.56 mi (9,742.27 km) |
| Guymon to Radnevo | 6,052.88 mi (9,741.16 km) |
| Guymon to Radomir | 5,940.80 mi (9,560.79 km) |
| Guymon to Rakitovo | 6,008.42 mi (9,669.61 km) |
| Guymon to Rakovski | 6,021.75 mi (9,691.07 km) |
| Guymon to Razgrad | 6,005.81 mi (9,665.42 km) |
| Guymon to Razlog | 5,992.85 mi (9,644.56 km) |
| Guymon to Ruse | 5,972.48 mi (9,611.77 km) |
| Guymon to Samokov | 5,972.23 mi (9,611.38 km) |
| Guymon to Sandanski | 6,002.96 mi (9,660.83 km) |
| Guymon to Sevlievo | 5,987.69 mi (9,636.26 km) |
| Guymon to Shumen | 6,032.40 mi (9,708.22 km) |
| Guymon to Silistra | 5,997.82 mi (9,652.55 km) |
| Guymon to Sliven | 6,045.39 mi (9,729.12 km) |
